Alex Ortega Loayza

Assistant Professor

  • 494 Citations
  • 13 h-Index
20062019
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Research Output 2006 2019

2013
6 Citations (Scopus)

Blastomicose cutânea: Um sinal de doença sistêmica

Translated title of the contribution: Cutaneous blastomycosis: A clue to a systemic diseaseOrtega Loayza, A. & Nguyen, T., Jan 1 2013, In : Anais Brasileiros de Dermatologia. 88, 2, p. 287-289 3 p.

Research output: Contribution to journalArticle

Open Access
Blastomycosis
Skin
Spontaneous Fractures
Saccharomycetales
Itraconazole
12 Citations (Scopus)

Crusted scabies and multiple dosages of ivermectin

Ortega Loayza, A., McCall, C. O. & Nunley, J. R., May 1 2013, In : Journal of Drugs in Dermatology. 12, 5, p. 584-585 2 p.

Research output: Contribution to journalArticle

Scabies
Ivermectin
Permethrin
Centers for Disease Control and Prevention (U.S.)
Bone Marrow
2 Citations (Scopus)

Cutaneous blastomycosis

Ortega Loayza, A. & McCall, C. O., Mar 7 2013, In : New England Journal of Medicine. 368, 10

Research output: Contribution to journalArticle

Blastomycosis
Skin
8 Citations (Scopus)

Endemic pemphigus foliaceus in the Peruvian Amazon

Ortega Loayza, A., Ramos, W., Gutierrez, E. L., Jimenez, G., Rojas, I. & Galarza, C., Aug 1 2013, In : Clinical and Experimental Dermatology. 38, 6, p. 594-600 7 p.

Research output: Contribution to journalArticle

Immunoglobulin G
Autoantibodies
Peru
Indirect Fluorescent Antibody Technique
Anti-Idiotypic Antibodies
12 Citations (Scopus)

Microarray technique, analysis, and applications in dermatology

Villaseñor-Park, J. & Ortega Loayza, A., Apr 1 2013, In : Journal of Investigative Dermatology. 133, 4

Research output: Contribution to journalArticle

Open Access
Dermatology
Microarrays
2012
3 Citations (Scopus)

Historical notes on endemic pemphigus in South America

Chacón, G. R., Ortega Loayza, A. & Cyr, R. M., Apr 1 2012, In : International Journal of Dermatology. 51, 4, p. 477-481 5 p.

Research output: Contribution to journalArticle

21st Century History
18th Century History
19th Century History
20th Century History
Endemic Diseases

Molecular basis for selected inherited skin disorders

Krishna, S. M., Sprigle, A. & Ortega Loayza, A., Nov 1 2012, In : Journal of Drugs in Dermatology. 11, 11, p. 1361-1363 3 p.

Research output: Contribution to journalArticle

Skin
2 Citations (Scopus)

Necrolytic acral erythema

Grauel, E., Stechschulte, S., Ortega Loayza, A., Krishna, S. M. & Nunley, J. R., Nov 1 2012, In : Journal of Drugs in Dermatology. 11, 11, p. 1370-1371 2 p.

Research output: Contribution to journalArticle

Foot Dermatoses
Hand Dermatoses
Zinc Sulfate
Chronic Hepatitis C
Erythema
9 Citations (Scopus)

Pênfigo endêmico na amazônia peruana: Epidemiologia e fatores de risco para o desenvolvimento de complicações durante o tratamento

Translated title of the contribution: Endemic pemphigus in the Peruvian Amazon: Epidemiology and risk factors for the development of complications during treatmentRamos, W., Chacon, G. R., Galarza, C., Gutierrez, E. L., Smith, M. E. & Ortega Loayza, A., Nov 1 2012, In : Anais Brasileiros de Dermatologia. 87, 6, p. 838-845 8 p.

Research output: Contribution to journalArticle

Open Access
Pemphigus
Epidemiology
Peru
Therapeutics
Pyelonephritis
2011
5 Citations (Scopus)

Miliária 'rash' após neutropenia febril e quimioterapia de indução para a leucemia mielóide aguda

Translated title of the contribution: Miliaria-rash after neutropenic fever and induction chemotherapy for acute myelogenous leukemiaNguyen, T. A., Ortega Loayza, A. & Stevens, M. P., Jul 1 2011, In : Anais Brasileiros de Dermatologia. 86, 4 SUPPL. 1, p. 104-106 3 p.

Research output: Contribution to journalArticle

Miliaria
Induction Chemotherapy
Exanthema
Acute Myeloid Leukemia
Fever
8 Citations (Scopus)
Staphylococcal Skin Infections
Bacterial Drug Resistance
Methicillin Resistance
Clindamycin
Sulfamethoxazole Drug Combination Trimethoprim
2010
14 Citations (Scopus)

Aspirin desensitization/challenge in 3 patients with unstable angina

Ortega Loayza, A., Raza, S., Minisi, A. J., Topaz, O., Heller, A. & Jovin, I. S., Jan 1 2010, In : American Journal of the Medical Sciences. 340, 5, p. 418-420 3 p.

Research output: Contribution to journalArticle

Unstable Angina
Aspirin
Percutaneous Coronary Intervention
Therapeutics
13 Citations (Scopus)

Characterization of Staphylococcus aureus cutaneous infections in a pediatric dermatology tertiary health care outpatient facility

Ortega Loayza, A., Diamantis, S. A., Gilligan, P. & Morrell, D. S., May 1 2010, In : Journal of the American Academy of Dermatology. 62, 5, p. 804-811 8 p.

Research output: Contribution to journalArticle

Tertiary Healthcare
Dermatology
Staphylococcus aureus
Methicillin Resistance
Outpatients

Cutaneous arsenicism in Latin America: A public health problem

Ramos, W., De Amat, F., Galarza, C. & Ortega Loayza, A., Jan 1 2010, Environmental Health Risks: Lead Poisoning and Arsenic Exposure. Nova Science Publishers, Inc., p. 167-176 10 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Latin America
Public Health
Skin
15 Citations (Scopus)

Cutaneous manifestations of internal malignancies in a tertiary health care hospital of a developing country

Ortega Loayza, A., Ramos, W., Gutierrez, E. L., De Paz, P. C., Bobbio, L. & Galarza, C., Sep 1 2010, In : Anais Brasileiros de Dermatologia. 85, 5, p. 736-742 7 p.

Research output: Contribution to journalArticle

Skin Manifestations
Tertiary Healthcare
Skin Diseases
Developing Countries
Delivery of Health Care
12 Citations (Scopus)

Facial porokeratosis: A series of six patients

Gutierrez, E. L., Galarza, C., Ramos, W., Tello, M., De Paz, P. C., Bobbio, L., Barquinero, A., Ronceros, G. & Ortega Loayza, A., Aug 1 2010, In : Australasian Journal of Dermatology. 51, 3, p. 191-194 4 p.

Research output: Contribution to journalArticle

Porokeratosis
Isotretinoin
Peru
14 Citations (Scopus)

Influence of climatic factors on the medical attentions of dermatologic diseases in a hospital of Lima, Peru

Gutierrez, E. L., Ramos, W., Smith, M. E., Galarza, C., Mendoza, M. & Ortega Loayza, A., Jul 1 2010, In : Anais Brasileiros de Dermatologia. 85, 4, p. 461-468 8 p.

Research output: Contribution to journalArticle

Peru
Warts
Rosacea
Actinic Keratosis
International Classification of Diseases
3 Citations (Scopus)

Meningoencefalite causada por Cryptococcus gattii em um paciente HIV-negativo procedente dos Andes Peruanos

Translated title of the contribution: Cryptococcus gattii meningoencephalitis in an HIV-negative patient from the Peruvian AndesGutierrez, E. L., Valqui, W., Vilchez, L., Evangelista, L., Crispin, S., Tello, M., Ñavincopa, M., Béjar, V., Gonzáles, J. & Ortega Loayza, A., Jan 1 2010, In : Revista da Sociedade Brasileira de Medicina Tropical. 43, 4, p. 469-471 3 p.

Research output: Contribution to journalArticle

Open Access
Cryptococcus gattii
Meningoencephalitis
HIV
Peru
Fluconazole
1 Citation (Scopus)

Night blindness in a patient with acquired immunodeficiency syndrome

Shukla, A., Ortega Loayza, A., Childress, C. G. & Stevens, M., May 1 2010, In : American Journal of the Medical Sciences. 339, 5, 1 p.

Research output: Contribution to journalArticle

Night Blindness
Vitamin A Deficiency
Intramuscular Injections
Vitamin A
Acquired Immunodeficiency Syndrome
11 Citations (Scopus)

Skin diseases in the Peruvian Amazonia

Gutierrez, E. L., Galarza, C., Ramos, W., Tello, M., Jiménez, G., Ronceros, G., Chía, H., Hurtado, J. & Ortega Loayza, A., Jul 1 2010, In : International Journal of Dermatology. 49, 7, p. 794-800 7 p.

Research output: Contribution to journalArticle

Skin Diseases
Subcutaneous Tissue
Oceans and Seas
Skin
Lice Infestations
2009
17 Citations (Scopus)

Cutaneous acanthamebiasis infection in immunocompetent and immunocompromised patients

Galarza, C., Ramos, W., Gutierrez, E. L., Ronceros, G., Teran, M., Uribe, M., Ñavincopa, M. & Ortega Loayza, A., Jan 1 2009, In : International Journal of Dermatology. 48, 12, p. 1324-1329 6 p.

Research output: Contribution to journalArticle

Open Access
Immunocompromised Host
Skin
Acanthamoeba
Infection
Peru
3 Citations (Scopus)

Gestante con pénfigo foliáceo endémico y producto libre de enfermedad. Caso clínico

Translated title of the contribution: Endemic pemphigus foliaceus in a pregnant woman. Report of one caseGalarza, C., Gutiérrez, E. L., Ramos, W., Tello, M., Ronceros, G., Alvizuri, S., Valverde, F. & Ortega Loayza, A., Nov 26 2009, In : Revista Medica de Chile. 137, 9, p. 1205-1208 4 p.

Research output: Contribution to journalArticle

Pregnant Women
Immunoglobulin G
Mothers
Newborn Infant
Indirect Fluorescent Antibody Technique
2 Citations (Scopus)

Tiempo de espera y su relación con la satisfacción de los usuarios en la farmacia central de un hospital general de Lima

Translated title of the contribution: Waiting time and its relation with the user's satisfaction in the central pharmacy of a general hospital in LimaGutierrez, E., Ramos, W., Uribe, M., Ortega Loayza, A., Torres, C., Montesinos, D., León, O. & Galarza, C., Jan 1 2009, In : Revista Peruana de Medicina Experimental y Salud Publica. 26, 1, p. 61-65 5 p.

Research output: Contribution to journalArticle

General Hospitals
Cross-Sectional Studies
Observation
Pharmaceutical Preparations
2008
2 Citations (Scopus)

Case report/focused review: Multivessel acute myocardial infarction: Case report and review of the literature

Ortega Loayza, A. & Stouffer, G. A., Jan 1 2008, In : American Journal of the Medical Sciences. 335, 5, p. 375-378 4 p.

Research output: Contribution to journalArticle

Myocardial Infarction
Coronary Vessels
Thrombosis
Arteries
Coronary Vasospasm
19 Citations (Scopus)

Eosinophilic fasciitis in a female child

Ortega Loayza, A., Merritt, B. G., Groben, P. A. & Morrell, D. S., May 1 2008, In : Journal of the American Academy of Dermatology. 58, 5 SUPPL. 1

Research output: Contribution to journalArticle

Fasciitis
Eosinophilia
Methotrexate
Steroids
Pediatrics
3 Citations (Scopus)

Noninfectious dermatological diseases associated with chronic exposure to mine tailings in a Peruvian district

Ramos, W., Galarza, C., Ronceros, G., De Amat, F., Teran, M., Pichardo, L., Juarez, D., Anaya, R., Mayhua, A., Hurtado, J. & Ortega Loayza, A., Jul 1 2008, In : British Journal of Dermatology. 159, 1, p. 169-174 6 p.

Research output: Contribution to journalArticle

Dermatitis
Atopic Dermatitis
Odds Ratio
Confidence Intervals
Arsenicals
2007
23 Citations (Scopus)

Endemic pemphigus vulgaris

Rocha-Alvarez, R., Ortega Loayza, A., Friedman, H., Campbell, I., Aoki, V., Rivitti, E. A., Dasher, D., Li, N. & Diaz, L. A., Jul 1 2007, In : Archives of Dermatology. 143, 7, p. 895-899 5 p.

Research output: Contribution to journalArticle

Open Access
Pemphigus
Immunoprecipitation
Enzyme-Linked Immunosorbent Assay
Autoantibodies
Brazil
2006
17 Citations (Scopus)

Antibodies against desmoglein 1 in healthy subjects in endemic and nonendemic areas of pemphigus foliaceus (fogo selvagem) in Peru

Ortega Loayza, A., Ramos, W., Elgart, G., Bouman, P., Jiménez, G., Avila, J., Rojas, I., Vilcarromero, M., Hurtado, J., Lindo, G. & Galarza, C., May 1 2006, In : International Journal of Dermatology. 45, 5, p. 538-542 5 p.

Research output: Contribution to journalArticle

Desmoglein 1
Peru
Pemphigus
Healthy Volunteers
Antibodies